EFFECT OF NANOFLUID FLOW AND PROTRUSION RIBS ON PERFORMANCE IN SQUARE CHANNELS: AN EXPERIMENTAL INVESTIGATION

被引：26

作者：

Kumar, Sunil ^{[1
,2
]}

Kothiyal, Alok Darshan ^{[3
]}

Bisht, Mangal Singh ^{[4
]}

Kumar, Anil ^{[2
,5
]}

机构：

[1] Uttarakhand Tech Univ, Dept Math, Dehra Dun 248007, Uttar Pradesh, India

[2] Shoolini Univ, Sch Mech & Civil Engn, Solan 173229, India

[3] BFIT Dehradun, Dept Math, Uttarakhand 248007, India

[4] Govind Ballabh Pant Engn Coll, Dept Math, Uttarakhand 246194, India

[5] Shoolini Univ, Himalayan Ctr Excellence Nanotechnol, Solan 173229, India

来源：

JOURNAL OF ENHANCED HEAT TRANSFER | 2019年 / 26卷 / 01期

关键词：

heat transfer enhancement; nanofluid; rough surface; friction factor; TURBULENT HEAT-TRANSFER; THERMAL-HYDRAULIC PERFORMANCE; ALUMINA NANOFLUIDS; WATER NANOFLUID; FRICTION FACTOR; NUSSELT NUMBER; CONDUCTIVITY; PREDICTIONS; PARAMETERS;

D O I：

10.1615/JEnhHeatTransf.2018026042

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Effects of nanofluid flow and protrusion transverse rib roughness particle concentration, particle diameter, stream wise pitch, span wise pitch, relative print diameter ratio, and Reynolds number on the thermal and hydrodynamic performance of square channel were analyzed. The nanofluid was prepared as solid nanoparticles of Al2O3 suspended in distilled water. Thermal hydrodynamic performance was determined for different sets of protrusion transverse rib roughness and flow parameters. The highest value of thermal hydrodynamic is observed at nanoparticle concentration of 4.0%, particle diameter of 30, stream wise pitch, of 1.79, span wise pitch of 1.79, and relative print diameter ratio of 1.0. The maximum value of the hydrodynamic and thermal performance was 2.37 for the range of parameters examined.

引用

页码：75 / 100

页数：26

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